Exhibit 12 KANSAS GAS AND ELECTRIC COMPANY Computations of Ratio of Earnings to Fixed Charges (Dollars in Thousands) Year Ended December 31, 1998 1997 1996 1995 1994 Net Income. . . . . . . . . . . . . $103,765 $ 52,128 $ 96,274 $110,873 $104,526 Taxes on Income . . . . . . . . . . 44,971 17,408 36,258 51,787 55,349 Net Income Plus Taxes. . . . . 148,736 69,536 132,532 162,660 159,875 Fixed Charges: Interest on Long-Term Debt. . . . 45,990 46,062 46,304 47,073 47,827 Interest on Other Indebtedness. . 3,368 4,388 11,758 5,190 5,183 Interest on Corporate-owned Life Insurance Borrowings . . . 32,368 31,253 27,636 25,357 20,990 Interest Applicable to Rentals. . 25,106 25,143 25,539 25,375 25,096 Total Fixed Charges . . . . . 106,832 106,846 111,237 102,995 99,096 Earnings (1). . . . . . . . . . . . $255,568 $176,382 $243,769 $265,655 $258,971 Ratio of Earnings to Fixed Charges. 2.39 1.65 2.19 2.58 2.61 (1) Earnings are deemed to consist of net income to which has been added income taxes (including net deferred investment tax credit) and fixed charges. Fixed charges consist of all interest on indebtedness, amortization of debt discount and expense, and the portion of rental expense which represents an interest factor.